Danai Gurira, who plays Michonne, the dreadlocked zombie slayer on “The Walking Dead,” is also a playwright. Ms. Gurira’s fourth work, “Familiar,” opens in February at the Yale Repertory Theatre and heads to off-Broadway next year.

In the wake of the Charlie Hebdo attacks, tech companies are being asked to remove more content in Europe. But it remains unclear exactly what these firms will have to do to comply with these requests.